/**
 * 随机36位数
 * @returns {string}
 */
export const useUuid = function() {
  const s = []
  const hexDigits = '0123456789abcdef'
  for (let i = 0; i < 36; i++) {
    s[i] = hexDigits.substring(Math.floor(Math.random() * 0x10), 1)
  }
  s[14] = '4'
  s[19] = hexDigits.substring((s[19] & 0x3) | 0x8, 1)
  s[8] = s[13] = s[18] = s[23]
  return s.join('')
}
